#!/bin/sh

if ! which gnuplot > /dev/null 2>&1
then
    echo "gnuplot not found - skipping graph creation" >&2
    exit 1
fi

time=$(foamListTimes -case .. -latestTime)
beforeBend=../postProcessing/probabilityDensity.beforeBend_1d/$time/probabilityDensity.beforeBend_1d.xy
afterBend1D=../postProcessing/probabilityDensity.afterBend_1d/$time/probabilityDensity.afterBend_1d.xy
afterBend3D=../postProcessing/probabilityDensity.afterBend_3d/$time/probabilityDensity.afterBend_3d.xy
afterBend5D=../postProcessing/probabilityDensity.afterBend_5d/$time/probabilityDensity.afterBend_5d.xy
afterBend7D=../postProcessing/probabilityDensity.afterBend_7d/$time/probabilityDensity.afterBend_7d.xy
afterBend9D=../postProcessing/probabilityDensity.afterBend_9d/$time/probabilityDensity.afterBend_9d.xy
layerAverage=../postProcessing/graphCrossSection/$time/layerAverage.xy

gnuplot<<EOF
    set terminal postscript eps color enhanced font "Helvetica,20"

    set output '../volumeDensity.eps'
    set logscale x
    set xlabel 'd ({/Symbol m}m)'
    set ylabel '({/Symbol a}/{/Symbol a}_{tot})/{/Symbol D}d (mm^{-1})'
    set key left top
    set grid

    plot "$beforeBend" u (\$1*1e6):(\$2) w histeps lw 3 lc rgb 'web-green' t 'Before bend',\
         "$afterBend1D" u (\$1*1e6):(\$2) w histeps lw 3 lc rgb 'red' t 'After bend: 1D',\
         "$afterBend5D" u (\$1*1e6):(\$2) w histeps lw 3 lc rgb 'orange' t 'After bend: 5D',\
         "$afterBend9D" u (\$1*1e6):(\$2) w histeps lw 3 lc rgb 'blue' t 'After bend: 9D'
EOF

gnuplot<<EOF
    set terminal postscript eps color enhanced font "Helvetica,20"

    set output '../crossSectionAverageDiameter.eps'
    set xlabel 'Distance along pipe (m)'
    set ylabel 'Cross-section average particle diameter ({/Symbol m}m)'
    set key left top
    set grid

    plot "$layerAverage" u (\$1):(\$2*1e6) w histeps lw 3 lc rgb 'web-green' t ''
EOF

#------------------------------------------------------------------------------